What are clouds? - A cloud is a large group of water or ice crystals. The droplets are so small and light that they can float in the air., Describe the process for creating clouds. - Air has water, but when it gets near the ground it turns into water vapor. When the warm air rises it expands and cools. Cold air can't hold much water vapor compared to warm air so the vapor becomes dust that is floating in the air and forms a tiny droplet around dust particles. When billions of the droplets group they become a cloud., Why do clouds float in the sky? - Clouds are made of water droplets. As it rises, it slowly cools and when it reaches the saturation point; the water condenses, making the cloud. If the air is made of warmer than outside air, it floats., What do cumulus clouds look like? - Cumulus clouds are white puffy clouds that look like pieces of floating cotton., What do cumulus clouds mean if they do not get very tall? - If they do not get tall, the weather will be nice., What do cumulus clouds mean if they get tall? - If they grow tall they can turn into thunderstorms., What do stratus clouds look like? - They look like flat sheets of clouds., What do stratus clouds mean if they are in the sky? - They mean a overcast day or steady rain., How long can stratus clouds stay around? - Several days., What do cirrus clouds indicate, or mean, when we see them in the sky? - They indicate fair weather., What do cirrus clouds look like? - They look like feathers., What are cirrus clouds made of? - They are made of ice particles., Describe cumulonimbus clouds. - They are thunderheads and look very dark, they mean lighting, tornadoes, heavy rain, snow, and hail., What does nimbus mean? - Nimbus means precipitation is falling from the cloud., What is fog? - Fog is a cloud that is on the ground., What is a contrail? - Contrails are condensation trails left behind by aircrafts., Define snow. - Snow is water vapor that changes from gas to solid. It does not have a liquid phase. Snow forms as tiny crystals., What are three things that snow can look like? - Star - Plate - Needle, Define sleet. - Sleet is liquid water that freezes before it hits the ground., Define freezing rain. - Freezing rain is rain that freezes after it hits the ground., Define hail and how it is created. - Hail is water that freezes then falls. With more water attaching to it, it can get blown back up in freezing air multiple times. Each time it goes up, it gets another layer of ice. It eventually falls down to the ground., What does a rain gauge do? - Measures precipitation. , Name two types of clouds that are between 20,000 and 6,500 feet in the air. - Altocumulus and Altostratus., What clouds look like cotton? - Cumulus clouds., What are all the cirrus types of clouds made up of? - Ice., What cloud is formed by fog lifting in the morning? - Stratus.,

Clouds

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